CN112240862B - Detection device and detection method for detecting drainage coefficient of drainage asphalt pavement - Google Patents
Detection device and detection method for detecting drainage coefficient of drainage asphalt pavement Download PDFInfo
- Publication number
- CN112240862B CN112240862B CN202011038573.5A CN202011038573A CN112240862B CN 112240862 B CN112240862 B CN 112240862B CN 202011038573 A CN202011038573 A CN 202011038573A CN 112240862 B CN112240862 B CN 112240862B
- Authority
- CN
- China
- Prior art keywords
- liquid
- drainage
- storage container
- asphalt pavement
- temperature sensing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 109
- 238000012360 testing method Methods 0.000 claims abstract description 47
- 239000003973 paint Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a detection device for detecting a drainage coefficient of a drainage asphalt pavement. The detection device includes: the liquid storage container is hollow, a cavity used for storing liquid is formed in the liquid storage container, a liquid drainage channel communicated with the cavity is arranged at the bottom of the liquid storage container, and a liquid outlet of the liquid drainage channel faces downwards vertically; the test net is arranged below the liquid outlet of the liquid storage container and can be attached to the tested drainage asphalt pavement; the test net is provided with upright drain holes which are uniformly distributed, and a plurality of temperature sensing concentric circles which are formed by smearing temperature sensing color-changing paint and take the center of the projection of the liquid outlet of the liquid drainage channel in the vertical direction as the circle center. The detection device of the invention is used for detecting the drainage coefficient of the drainage asphalt pavement, can visually judge and test the drainage coefficient of the drainage asphalt pavement, and the detection range can meet the design index requirement of the drainage asphalt pavement. The invention also relates to a detection method of the drainage coefficient of the drainage asphalt pavement.
Description
Technical Field
The invention relates to the technical field of pavement detection, in particular to a detection device for detecting a drainage coefficient of a drainage asphalt pavement and a detection method for the drainage coefficient of the drainage asphalt pavement.
Background
The drainage asphalt (drainage asphal) road surface, also called permeable asphalt (porous asphal) road surface, adopts large-gap asphalt mixture as the surface layer, permeates rainfall into the drainage functional layer, and transversely discharges the rainwater through the layer, thereby eliminating a road surface water film which brings adverse effects on driving, and obviously improving the safety and the comfort of driving in rainy days. Meanwhile, due to the porous characteristic of the drainage asphalt pavement, traffic noise can be greatly reduced, and the drainage asphalt pavement is also called low-noise asphalt pavement (low-noise asphalt pavement).
The drainage asphalt pavement has excellent road performance of rapid drainage, skid resistance, reduction of water mist and water drift in rainy days, improvement of driving sight distance, reduction of reflection after rain, noise reduction, glare reduction and the like, and is widely applied to road engineering.
At present, the domestic drainage coefficient detection method for the drainage asphalt pavement is still in a blank state, only a conventional asphalt pavement water seepage coefficient test method can be applied, and the detection range of the water seepage instrument cannot meet the design index requirement of the drainage asphalt pavement.
Disclosure of Invention
In view of the above problems, the present invention has been made to provide a detection apparatus and a detection method for detecting a drainage coefficient of a drained asphalt pavement that overcome or at least partially solve the above problems.
In a first aspect, the present invention provides a detection apparatus for detecting a drainage coefficient of a drained asphalt pavement.
The detection device includes:
the liquid storage container is hollow, a cavity used for storing liquid is formed in the liquid storage container, a liquid drainage channel communicated with the cavity is arranged at the bottom of the liquid storage container, a liquid outlet of the liquid drainage channel faces downwards vertically, and liquid in the cavity can flow out through the liquid drainage channel by operating a valve on the liquid drainage channel;
the test net is arranged below the liquid outlet of the liquid storage container and can be attached to the tested drainage asphalt pavement; the test net is provided with upright drain holes which are uniformly distributed, and a plurality of temperature sensing concentric circles which are formed by smearing temperature sensing color changing paint and take the center of the projection of the liquid outlet of the liquid drainage channel in the vertical direction as the center of a circle;
a support shelf for supporting the reservoir.
Optionally, a throttling device for buffering water pressure is arranged in the liquid discharge channel.
Optionally, the distance between the test net and the liquid outlet of the liquid storage container is 2-3 cm.
Optionally, the diameter of the liquid outlet of the liquid storage container is 1 cm.
Alternatively, the innermost one of the temperature sensing concentric circles has a diameter of 20cm, and the other temperature sensing concentric circles are sequentially expanded outward and spaced apart from the adjacent inner temperature sensing concentric circle by 2 cm.
Optionally, the test mesh has a length of 60cm, a width of 60cm, and a thickness of 0.5 cm; the cross section of the vertical drain hole is a regular hexagon, and the diameter of an external circle of the vertical drain hole is 1 cm.
In a second aspect, the invention provides a method for detecting a drainage coefficient of a drainage asphalt pavement.
The detection method comprises the following steps:
placing the testing mesh of the detection device in the first aspect on the tested drainage asphalt pavement, and pressing the testing mesh to enable the bottom surface of the testing mesh to be attached to the tested drainage asphalt pavement;
placing the liquid storage container and the support frame of the detection device in the first aspect on a test net, and enabling the center of the projection of the liquid outlet of the liquid drainage channel in the vertical direction to coincide with the center of a temperature sensing concentric circle of the test net;
and adding liquid into the liquid storage container to a set volume, then opening a valve of the liquid drainage channel, and recording the temperature sensing concentric circle of the discoloring in the test net after the liquid in the liquid storage container is drained.
Optionally, the liquid added to the reservoir is water at 40 ℃ or above.
The detection device of the invention is used for detecting the drainage coefficient of the drainage asphalt pavement, can visually judge and test the drainage coefficient of the drainage asphalt pavement, and the detection range can meet the design index requirement of the drainage asphalt pavement.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic structural diagram of a liquid storage container and a support frame in an embodiment of a detection device for detecting a drainage coefficient of a drained asphalt pavement according to the present invention;
fig. 2 is a schematic structural diagram of a test net in an embodiment of the detection apparatus for detecting a drainage coefficient of a drained asphalt pavement according to the present invention.
Description of reference numerals: 1. a reservoir; 2. a liquid discharge channel; 3. a valve; 4. testing the net; 5. temperature sensing concentric circles; 6. mounting a platform; 7. and (7) supporting legs.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, there is shown an exemplary embodiment of a detection apparatus for detecting a drainage coefficient of a drained asphalt pavement according to the present invention. The detection device comprises a liquid storage container 1 and a test net 4.
The inside cavity of stock solution container 1 forms the cavity that is used for storing liquid, 1 bottom of stock solution container set up with the drainage channel 2 of cavity intercommunication, the liquid outlet of drainage channel 2 is vertical downwards, through controlling valve 3 on the drainage channel 2 can make the interior liquid of cavity flow out through drainage channel 2. In this embodiment, the liquid discharge channel 2 is a vertically arranged pipe, and the liquid in the liquid storage container 1 flows through the liquid discharge channel 2 and then falls vertically. In an alternative embodiment, a throttling device for buffering the water pressure is also arranged in the liquid discharge channel 2, so that the liquid does not splash when falling to the test net 4. It should be understood that the liquid discharge channel 2 may also adopt other suitable structures, as long as the liquid outlet of the liquid discharge channel 2 is ensured to be vertically downward.
The test net 4 is arranged below the liquid outlet of the liquid storage container 1, and when the test is carried out, the test net 4 can be attached to the tested drainage bituminous pavement in a pressing mode. The test net 4 is provided with upright drain holes which are uniformly distributed, after the liquid in the liquid storage container 1 falls to the test net 4, one part of the liquid directly penetrates into a drainage function layer of the tested drainage bituminous pavement along the upright drain holes in the longitudinal direction, then the liquid is transversely drained in the drainage function layer, the other part of the liquid overflows the test net 4 and is transversely drained along the upper surface of the test net 4, then the liquid longitudinally penetrates into the drainage function layer of the tested drainage bituminous pavement along the upright drain holes, and finally the liquid is transversely drained in the drainage function layer.
The test net 4 is also provided with a plurality of temperature sensing concentric circles 5 which are formed by smearing temperature sensing color changing paint and take the center of the projection of the liquid outlet of the liquid discharge channel 2 in the vertical direction as the center of a circle. When the temperature-sensitive color-changing coating meets temperature change, namely temperature is increased or reduced, the color of the temperature-sensitive color-changing coating changes. When the liquid overflows the temperature sensing concentric circles 5 on the test net 4, the corresponding temperature sensing concentric circles 5 change color due to temperature change, the smaller the number (area) of the temperature sensing concentric circles 5 changing color is, the larger the drainage coefficient of the tested drainage asphalt pavement is represented, and conversely, the larger the number (area) of the temperature sensing concentric circles 5 changing color is, the smaller the drainage coefficient of the tested drainage asphalt pavement is represented.
In this embodiment, the test net 4 is a fiber plastic net with low thermal conductivity, such as a polyester fiber plastic net. It should be understood that the test net 4 may also be made of other suitable materials, and is durable, not easily damaged, and has a certain softness. The temperature-sensitive color-changing paint changes color when the temperature rises.
The detection device further comprises a supporting frame, and the supporting frame is used for supporting the liquid storage container 1. In this embodiment, the support frame includes a mounting platform 6, a through hole is provided in the middle of the mounting platform 6, the lower portion of the liquid storage container 1 passes through the through hole, and the outer edge of the liquid storage container 1 is connected to the edge of the through hole in a welding manner. The support frame further comprises supporting legs 7, wherein the supporting legs 7 are arranged below the mounting platform 6 and are connected with the mounting platform 6 in a welding mode. It will be appreciated that the support frame may also take other suitable configurations.
In this embodiment, some specific dimensional parameters of the detection apparatus are as follows:
the capacity of the liquid storage container 1 is 5L; the diameter of a liquid outlet of the liquid storage container 1 is 1 cm; the distance between the test net 4 and the liquid outlet of the liquid storage container 1 is 2-3 cm; of the temperature sensing concentric circles 5, the innermost temperature sensing concentric circle 5 has a diameter of 20cm, and the other temperature sensing concentric circles 5 are sequentially expanded outwards and are spaced from the adjacent inner temperature sensing concentric circle 5 by 2 cm; the test net 4 is 60cm in length, 60cm in width and 0.5cm in thickness; the cross section of the vertical drain hole is a regular hexagon, and the diameter of an external circle of the vertical drain hole is 1 cm. It should be understood that the detection device may also employ other suitable dimensional parameters, not listed here.
The method for detecting the drainage coefficient of the drainage asphalt pavement by using the detection device comprises the following steps:
1. arranging the test net 4 on the tested drainage asphalt pavement, and pressing the test net 4 to enable the bottom surface of the test net to be attached to the tested drainage asphalt pavement;
2. placing the liquid storage container 1 and the support frame on a test net 4, closing a valve 3, and enabling the center of the projection of the liquid outlet of the liquid drainage channel 2 in the vertical direction to coincide with a temperature sensing concentric circle 5 of the test net 4;
3. adding liquid, such as water with the temperature of more than 40 ℃, into the liquid storage container 1 to a set volume, such as 5L, then opening the valve 3 of the liquid discharge channel 2, and recording the temperature sensing concentric circles 5 with the color change in the test net 4 after the water in the liquid storage container 1 is discharged.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A detection device for detecting a drainage coefficient of a drainage asphalt pavement, comprising:
the liquid storage container is hollow, a cavity used for storing liquid is formed in the liquid storage container, a liquid drainage channel communicated with the cavity is arranged at the bottom of the liquid storage container, a liquid outlet of the liquid drainage channel faces downwards vertically, and liquid in the cavity can flow out through the liquid drainage channel by operating a valve on the liquid drainage channel;
the test net is arranged below the liquid outlet of the liquid storage container and can be attached to the tested drainage asphalt pavement; the test net is provided with upright drain holes which are uniformly distributed, and a plurality of temperature sensing concentric circles which are formed by smearing temperature sensing color changing paint and take the center of the projection of the liquid outlet of the liquid drainage channel in the vertical direction as the center of a circle; the distance between the test net and the liquid outlet of the liquid storage container is 2-3 cm;
a support frame for supporting the reservoir.
2. The detection device according to claim 1, wherein: and a throttling device for buffering water pressure is arranged in the liquid discharge channel.
3. The detection device according to claim 2, wherein: the diameter of the liquid outlet of the liquid storage container is 1 cm.
4. The detection device according to claim 3, wherein: the diameter of the innermost temperature sensing concentric circle in the temperature sensing concentric circles is 20cm, and the other temperature sensing concentric circles are sequentially expanded outwards and are separated from the adjacent inner temperature sensing concentric circle by 2 cm.
5. The detection apparatus according to any one of claims 1 to 4, wherein: the test net is 60cm in length, 60cm in width and 0.5cm in thickness; the cross section of the vertical drain hole is a regular hexagon, and the diameter of an external circle of the vertical drain hole is 1 cm.
6. A method for detecting a drainage coefficient of a drained asphalt pavement, using the detection device according to any one of claims 1 to 5, comprising the steps of:
placing the test mesh on the tested drainage asphalt pavement, and pressing the test mesh to enable the bottom surface of the test mesh to be attached to the tested drainage asphalt pavement;
placing the liquid storage container and the support frame on a test net, and enabling the center of the projection of the liquid outlet of the liquid drainage channel in the vertical direction to coincide with the center of a temperature sensing concentric circle of the test net;
and adding liquid into the liquid storage container to a set volume, then opening a valve of the liquid drainage channel, and recording the temperature sensing concentric circle of the discoloring in the test net after the liquid in the liquid storage container is drained.
7. The detection method according to claim 6, characterized in that: the liquid added to the reservoir is water at 40 ℃ or higher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038573.5A CN112240862B (en) | 2020-09-28 | 2020-09-28 | Detection device and detection method for detecting drainage coefficient of drainage asphalt pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038573.5A CN112240862B (en) | 2020-09-28 | 2020-09-28 | Detection device and detection method for detecting drainage coefficient of drainage asphalt pavement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112240862A CN112240862A (en) | 2021-01-19 |
| CN112240862B true CN112240862B (en) | 2022-06-17 |
Family
ID=74171814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011038573.5A Active CN112240862B (en) | 2020-09-28 | 2020-09-28 | Detection device and detection method for detecting drainage coefficient of drainage asphalt pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112240862B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498628A (en) * | 2009-03-16 | 2009-08-05 | 刘宪武 | Door-based calibration method for water turbidometer and its sample collection system |
| CN102507410A (en) * | 2011-10-14 | 2012-06-20 | 河海大学 | Device and method for simultaneously testing water seepage and drainage capacities of asphalt mixture |
| CN104614299A (en) * | 2015-02-11 | 2015-05-13 | 上海同标质量检测技术有限公司 | Concrete impermeability test system and method employing color-change ink |
| CN104849196A (en) * | 2015-06-05 | 2015-08-19 | 合肥工业大学 | Device and method for measuring water permeability coefficient of asphalt pavement |
| CN204630896U (en) * | 2015-06-05 | 2015-09-09 | 合肥工业大学 | A kind of bituminous pavement infiltration coefficient determinator improving accuracy |
| CN105136645A (en) * | 2015-09-13 | 2015-12-09 | 华南理工大学 | Drainage asphalt mixture water permeability performance test device and test method thereof |
| CN205084081U (en) * | 2014-11-24 | 2016-03-16 | 胡绍勤 | Automatic flowing back drainage device |
| CN205404398U (en) * | 2016-02-24 | 2016-07-27 | 南京林业大学 | Simulation test device that bituminous paving blocks up influences heavy metal pollution in runoff that permeates water |
| CN107328696A (en) * | 2017-01-11 | 2017-11-07 | 江苏省交通科学研究院有限公司 | A kind of novel road-face creepage instrument and its measuring method |
| CN107421867A (en) * | 2017-07-03 | 2017-12-01 | 东南大学 | A kind of porous asphalt concrete water permeability test device and its method of testing |
| CN107703046A (en) * | 2017-11-09 | 2018-02-16 | 建筑材料工业技术情报研究所 | Concrete permeable coefficient measuring instrument and assay method |
| CN108152187A (en) * | 2017-12-12 | 2018-06-12 | 宁波市华欣建材测试有限公司 | A kind of bituminous paving infiltration coefficient measurement device and measuring method |
| CN207516212U (en) * | 2017-11-03 | 2018-06-19 | 华润水泥技术研发有限公司 | Device for testing permeability coefficient |
| CN109115662A (en) * | 2018-05-28 | 2019-01-01 | 中铁十七局集团第三工程有限公司 | The detection method of on-site test building surface water permeability resistance energy |
| CN110231267A (en) * | 2019-03-28 | 2019-09-13 | 广州珠江黄埔大桥建设有限公司 | A kind of device and method of indoor test drainage type asphalt drainage performance |
| CN210856834U (en) * | 2019-08-14 | 2020-06-26 | 南通市规划设计院有限公司 | Color permeable concrete pavement with color changeable through temperature sensing |
-
2020
- 2020-09-28 CN CN202011038573.5A patent/CN112240862B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498628A (en) * | 2009-03-16 | 2009-08-05 | 刘宪武 | Door-based calibration method for water turbidometer and its sample collection system |
| CN102507410A (en) * | 2011-10-14 | 2012-06-20 | 河海大学 | Device and method for simultaneously testing water seepage and drainage capacities of asphalt mixture |
| CN205084081U (en) * | 2014-11-24 | 2016-03-16 | 胡绍勤 | Automatic flowing back drainage device |
| CN104614299A (en) * | 2015-02-11 | 2015-05-13 | 上海同标质量检测技术有限公司 | Concrete impermeability test system and method employing color-change ink |
| CN104849196A (en) * | 2015-06-05 | 2015-08-19 | 合肥工业大学 | Device and method for measuring water permeability coefficient of asphalt pavement |
| CN204630896U (en) * | 2015-06-05 | 2015-09-09 | 合肥工业大学 | A kind of bituminous pavement infiltration coefficient determinator improving accuracy |
| CN105136645A (en) * | 2015-09-13 | 2015-12-09 | 华南理工大学 | Drainage asphalt mixture water permeability performance test device and test method thereof |
| CN205404398U (en) * | 2016-02-24 | 2016-07-27 | 南京林业大学 | Simulation test device that bituminous paving blocks up influences heavy metal pollution in runoff that permeates water |
| CN107328696A (en) * | 2017-01-11 | 2017-11-07 | 江苏省交通科学研究院有限公司 | A kind of novel road-face creepage instrument and its measuring method |
| CN107421867A (en) * | 2017-07-03 | 2017-12-01 | 东南大学 | A kind of porous asphalt concrete water permeability test device and its method of testing |
| CN207516212U (en) * | 2017-11-03 | 2018-06-19 | 华润水泥技术研发有限公司 | Device for testing permeability coefficient |
| CN107703046A (en) * | 2017-11-09 | 2018-02-16 | 建筑材料工业技术情报研究所 | Concrete permeable coefficient measuring instrument and assay method |
| CN108152187A (en) * | 2017-12-12 | 2018-06-12 | 宁波市华欣建材测试有限公司 | A kind of bituminous paving infiltration coefficient measurement device and measuring method |
| CN109115662A (en) * | 2018-05-28 | 2019-01-01 | 中铁十七局集团第三工程有限公司 | The detection method of on-site test building surface water permeability resistance energy |
| CN110231267A (en) * | 2019-03-28 | 2019-09-13 | 广州珠江黄埔大桥建设有限公司 | A kind of device and method of indoor test drainage type asphalt drainage performance |
| CN210856834U (en) * | 2019-08-14 | 2020-06-26 | 南通市规划设计院有限公司 | Color permeable concrete pavement with color changeable through temperature sensing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112240862A (en) | 2021-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6375222B1 (en) | Mobile storage tank having a double wall construction | |
| KR100768328B1 (en) | Underground Water Storage Tank | |
| CN112240862B (en) | Detection device and detection method for detecting drainage coefficient of drainage asphalt pavement | |
| JPS59233013A (en) | Drain mat | |
| US20080060429A1 (en) | Runoff Rain Gauge Elevated In Situ Design | |
| CN102141503A (en) | Device and method for testing permeability coefficient of rainwater garden filling | |
| KR101441369B1 (en) | Module for afforestation of artificial ground | |
| CN104695536B (en) | A kind of drainage manhole cover of adjustable displacement | |
| KR101825306B1 (en) | Pillars used in road structures for recycling rain | |
| US11851855B2 (en) | Drainage system and drain | |
| KR101989601B1 (en) | road boundary block of type keeping water | |
| KR102150191B1 (en) | Drain system of camping car | |
| CN111272979A (en) | Saline soil water and salt migration test device and method thereof | |
| CN111321703A (en) | Ecological water conservancy bank protection | |
| Pešková et al. | Computation method of the drainage retention capacity of soil layers with a subsurface pipe drainage system. | |
| KR101186881B1 (en) | A Porous And Water Permeable Boundary Stone And Drainage System Using It | |
| JP4084479B2 (en) | Rainwater penetration structure | |
| JP4084478B2 (en) | Drainage structure of road surface | |
| AU2013269305B2 (en) | Improvements in and relating to drainage systems | |
| KR200483434Y1 (en) | Manhole cover | |
| CN215210510U (en) | Highway drainage system at bottom of bridge | |
| US20070006925A1 (en) | Washer fluid reservoir having a fluid-impermeable air vent patch | |
| JP3749200B2 (en) | Rain gauge | |
| CN211043053U (en) | Water permeability testing device for water permeable bricks | |
| CN218726461U (en) | Asphalt pavement water seepage coefficient test auxiliary device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |